Simulink of PWM-controlled dc motor
6 views (last 30 days)
Show older comments
Hi,
I'm trying to make a simple simulation based on the example "PWM-Controlled DC Motor". It's bascially the same with the example plus an intertial module. I changed some parameters based on the dc motor datasheet. The result shows that the motor is not running, but there is motor current.
1. I don't know whether I could see the PWM signal through scope. It seems not working 2. There should be some parameter errors, but don't know how to tune or change the default parameters
Thank you very much!
0 Comments
Answers (2)
Sebastian Castro
on 22 Sep 2017
You need a Voltage Sensor block (connected in parallel). Then, the output of that block will connect to your PS-Simulink Converter > Scope.
I am not sure what "not working" means. Please give us more information. Could it be that you are getting zero torque, because your Torque Sensor block is connected in parallel with the motor instead of in series. Give that a look!
- Sebastian
0 Comments
Yueming
on 25 Sep 2017
1 Comment
Sebastian Castro
on 25 Sep 2017
Yes, because both the Voltage sensor is connected incorrectly. You're essentially providing an infinite resistance in your circuit. Make sure it is connected in parallel, such that its - port is tied to the ground.
For the mechanical part, I don't think you will get any errors, though I might be more inclined to have the Torque sensor "inside" the Motion sensor block. The measurement seems more right that way.
- Sebastian
Communities
More Answers in the Power Electronics Control
See Also
Categories
Find more on Electrical Systems in Help Center and File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!